لا يجوز أن نَعِد بما لا ينبغي، كيلا نُطالَب بتنفيذ ما لا نستطيع.

“We must not promise what we ought not, lest we be called on to perform what we cannot.”Abraham Lincoln — The Complete Papers And Writings Of Abraham Lincoln (Biographically Annotated Edition) (2012)